Commercial Air Conditioner Model: AP*****EAA AU*****EAA
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temperature and Ts means setting temperature.
Select running mode according to the following conditions at the first time to enter Auto mode:
TrıTs- 3 ć to select cooling mode (with setting temperature being Ts +3)
Tr˘Ts- 3 ć to select heating mode (with setting temperature being Ts)
After the system entering auto run mode, the running mode can convert automatically
according to variation of room temperature between cooling and heating. If the unit is in cooling
mode, when the temperature arrives stop value, the compressor stops; the system will measure the
temperature after compressor stops for 3 minutes. At this time, if Tr˘Ts-3ć, the unit will enter
heating mode, or it will still be cooling mode. If the unit is in heating mode, when the temperature
arrives stop value, the compressor stops; the system will measure the temperature after
compressor stops for 3 minutes. At this time, if Tr˘Ts+3ć, the unit will enter cooling mode, or it will
still be heating mode.
If the unit is in heating mode, when indoor heat exchanger temperature is over 63ć, the unit
will turn into cooling mode automatically, in 1 hour, the indoor heat exchanger temperature will not
be limited, and heating operation will stop temporarily, 1 hour later, the system will adjust the
working mode due to the above conditions.
If the unit is in heating mode for the first time, compressor motor will start up, within 8 minutes the
system will not measure indoor ambient temperature, the remote controller will be off.
2). Single Cooling type
Select running mode according to the following conditions at the first time to enter Auto mode:
TrıTs+ 3 ć to select cooling mode
Tr˘Ts- 3 ć to select blowing mode
After entering Auto mode, the operation mode can be changed between cooling mode and fan
mode according to indoor ambient temperature: if the unit now is in cooling mode, when Tr˘Ts-3,
the mode will be changed to Fan; if the unit is in Fan mode, when TrıTs+3, the mode will be
changed to cooling mode.
3. COOL mode control
4-way valve being powered off, compressor run/stop will depends on the temperature
difference between the room temperature and the set temperature.
TrıTs+1 compressor will run;
TrİTs-1 compressor will stop;
Ts-1<Tr<Ts+1 compressor will stay in original state
Anti-freezed protection
When the unit has run for over 6 minutes after compressor starts up, if indoor coil temperature
Tg<1ć last 1 minute, the compressor and the outdoor motor will stop; 9 minutes later after
compressor stops and when indoor coil temperature rises to 10ć, the compressor and the outdoor
motor will run again.
run
stop
1
ˉ1
run
stop
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